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1 Dorsal fins are found on the back of the fish. 2  There may be up to three of them. 3  The fish uses this fin for balance in the water and sudden movements. 4  Caudal fins are also known as tail fins.5  This is what we refer to as the fish's tail. 6  Anal fins are on the ventral (bottom) surface of the fish, behind the anus. Dorsal fins are found on the back of the fish. 2  There may be up to three of them. 3  The fish uses this fin for balance in the water and sudden movements. 4  Caudal fins are also known as tail fins.
One of the greatest benefits of using fins is the ease of holding a better body position. This allows you to focus on other parts of your technique, such as body roll or timing. You should add fins to your workout kit, along with the rest of your swimming toys and tools. They have a lot to offer to make you a faster swimmer! Let me know if you give them a try. A Few More Tips.